Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

30°F

-1°C

Humidity 92%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 29 Dec 09:26 PM PST
Extended Forecast for

16 Miles W Williams CA

  • Tonight

    Tonight: Mostly clear, with a low around 36. North northwest wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Areas of frost before 7am.  Otherwise, increasing clouds, with a high near 55. North northwest wind around 6 mph becoming northeast in the afternoon.

    High: 55 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Northwest wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 53. North northeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 43. Light north wind.  Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain.  Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 36. North northwest wind around 6 mph.
Tuesday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 55. North northwest wind around 6 mph becoming northeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 42. Northwest wind around 6 mph.
Wednesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 53. North northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 43. Light north wind. Chance of precipitation is 90%.
New Year's Day
Rain. High near 50. Chance of precipitation is 90%.
Thursday Night
Rain. Low around 45. Chance of precipitation is 90%.
Friday
Rain. Cloudy, with a high near 54.
Friday Night
Rain. Cloudy, with a low around 41.
Saturday
Rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Williams CA
 39.17°N 122.43°W (Elev. 1398 ft)
1:21 pm PST Dec 29, 2025
10pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database